idles drop then car stalls when hot
Thread Starter
Senior Member
Joined: Jan 2001
Posts: 694
Likes: 0
From: British Columbia,Canada
idles drop then car stalls when hot
it doesn't happen all the time but my idles and voltage dops and the car stalls when it is hot.Im replacing the alternator on sunday because i don't think it's puuting out enough voltage,What else could cause this.
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1987 Trans AM GTA
305 5SPD
Hypertech airfoil
gutted maf
kn filter
High Flow Cat,
3"Walker pipe
Dynomax Super turbo Muffler
TB Coolant bypass
Lubricated by Mobil 1 Tri-Synthetic
[This message has been edited by Stormshadow GTA (edited August 18, 2001).]
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1987 Trans AM GTA
305 5SPD
Hypertech airfoil
gutted maf
kn filter
High Flow Cat,
3"Walker pipe
Dynomax Super turbo Muffler
TB Coolant bypass
Lubricated by Mobil 1 Tri-Synthetic
[This message has been edited by Stormshadow GTA (edited August 18, 2001).]
Supreme Member
iTrader: (2)
Joined: Jul 2001
Posts: 1,823
Likes: 1
From: San Antonio, TX
Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
Assuming that everything is in good tune plugs, wires, cap, rotor, tps adjusment, min idle air, etc.. Do you get a check engine light? I would try pulling the trouble codes first off if any and then go from there. ON mine i had a similar problem. The 02 sensor was "going bad" but not bad. Replaced it and the problem went away.
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88' IROC-Z, 350 TPI, 700-R4
[This message has been edited by mystikkal_69 (edited August 18, 2001).]
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88' IROC-Z, 350 TPI, 700-R4
[This message has been edited by mystikkal_69 (edited August 18, 2001).]
Junior Member
Joined: Jul 2001
Posts: 76
Likes: 0
From: Ft Myers, FL
i am having the same exact prob. i think it has somethin to do with either my battery or alternator, it especially happens when i am sitting at idle and i roll the windows up or down, i see the voltage go way down and then the idle gets really eradic and everyonce in awhile it will stall,
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87 GTA 350 TPI
Mods: K&N Air Filter, New rocker arms, Stage III chip.
Next Mods in line: Exhaust, headers
http://www.geocities.com/rudys120/transam.html
Kills:
Nissa 300zx (dont think it was turbo)
87 Mustang 5.0,
89 Mustang 5.0 (modded)
?? Iroc
00-01? Jaguar driven buy 85 yr old guy
Too many ricers to count......
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87 GTA 350 TPI
Mods: K&N Air Filter, New rocker arms, Stage III chip.
Next Mods in line: Exhaust, headers
http://www.geocities.com/rudys120/transam.html
Kills:
Nissa 300zx (dont think it was turbo)
87 Mustang 5.0,
89 Mustang 5.0 (modded)
?? Iroc
00-01? Jaguar driven buy 85 yr old guy
Too many ricers to count......
Senior Member
Joined: Oct 2000
Posts: 916
Likes: 0
From: Tennessee
Mine does the same thing at hot idle, I've replaced the alternator and checked the resistance of the hot wire, and re-tightened the engine grounds. Nothing seems to help so I'd be interested to know the solution as well.
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1990 IROC 350
Mods: Too busy trying to make it run right to mod it.
Airfoil, Dynomax cat-back, MSD coil, 180 t-stat, Bald Eagle tires,
Hypertech fan switch, Accel 23# injectors, Holley AFPR, ported plenum,
Ported Daytona Yellow stock base, Moroso valve covers, other stuff,
Ruger P95DC, hot wife, new oil filter, thick rubber floormats, no cats.
18.0 @ 85MPH since I'm one big-a$$ MF
"It's better to have and not need than to need and not have."
------------------
1990 IROC 350
Mods: Too busy trying to make it run right to mod it.
Airfoil, Dynomax cat-back, MSD coil, 180 t-stat, Bald Eagle tires,
Hypertech fan switch, Accel 23# injectors, Holley AFPR, ported plenum,
Ported Daytona Yellow stock base, Moroso valve covers, other stuff,
Ruger P95DC, hot wife, new oil filter, thick rubber floormats, no cats.
18.0 @ 85MPH since I'm one big-a$$ MF
"It's better to have and not need than to need and not have."
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